Subject
- Circular (United States. Bureau of Entomology)4
- Locust trees -- Diseases and pests2
- Locust-borer2
- Locust-borer -- Control2
- Pine -- Diseases and pests2
- Ambrosia beetles -- Gulf States1
- Ambrosia beetles -- South Atlantic States1
- Cheilosia1
- Conifers -- Diseases and pests -- United States1
- Cypress -- Wounds and injuries -- Gulf States1
- Cypress -- Wounds and injuries -- South Atlantic States1
- Locust-borer -- Control -- United States1
- Locust-borer -- United States1
- Mountain pine beetle -- United States1
- Western hemlock -- Diseases and pests1
- Western pine beetle1
- Western pine beetle -- Control1
- White pine weevil1
- Wood borers1
- Wood borers -- Gulf States1